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Finding the Fourth Proportional to 259,651.47, 387,186.36 and 250,400.46

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Solution

The fourth proportional to 259,651.47, 387,186.36 and 250,400.46 is: 373,391.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,651.47 : 387,186.36 = 250,400.46 : x
  2. Step 2: Convert to fraction form
    259,651.47/387,186.36 = 250,400.46/x
  3. Step 3: Cross multiply
    259,651.47x = 387,186.36 × 250,400.46
  4. Step 4: Simplify right side
    259,651.47x = 96,951,642,649.73
  5. Step 5: Solve for x
    x = 96,951,642,649.73/259,651.47
  6. Step 6: Final answer
    x = 373,391.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.